Chaetomorpha spp. is a genus of filamentous green macroalgae widely used in marine aquariums for nutrient export and refugium setups. Its fast growth and hardy nature make it an excellent choice for hobbyists looking to improve water quality and provide natural habitat for copepods and other microfauna.
Lighting: Moderate lighting is sufficient to support healthy growth. Avoid intense direct lighting to prevent excessive algae proliferation in the display tank.
Water Flow: Moderate to strong water flow is recommended to keep the algae free from detritus and to promote healthy growth.
Placement: Best kept in refugiums or dedicated algae scrubbers, away from direct competition with corals. It can be placed in the sump or a dedicated algae compartment.
Reef Compatibility: Generally reef safe and beneficial, but ensure adequate spacing from corals to prevent shading or overgrowth.
Care Level: Easy to maintain with regular harvesting to control growth and prevent decay.
Additional Notes: Chaetomorpha spp. helps reduce nitrate and phosphate levels, contributing to a healthier reef environment. It is not a coral but is categorised under soft corals > algae for retail purposes.



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